Saw blade



FIG. 1 is a side elevational view of a saw blade showing our new design which is a mirror image of the opposite side thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end view thereof; and,

FIG. 5 is the opposite end view thereof.

Any undisclosed surface area in any figure is without ornamentation. 

The ornamental design for a saw blade, as shown and described. 